HM

Hiroaki Miyagawa

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
ND Nitto Denko: 18 patents #154 of 2,479Top 7%
OG Osram Opto Semiconductors Gmbh: 2 patents #532 of 1,154Top 50%
📍 Oceanside, CA: #17 of 1,008 inventorsTop 2%
🗺 California: #10,935 of 386,348 inventorsTop 3%
Overall (All Time): #75,595 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDate
12065602 Phosphor compositions with orange and amber light emission 2024-08-20
11975939 Sheet suction device, sheet conveyor, and printer 2024-05-07
11912020 Sheet suction device, sheet conveyor, printer, and suction area switching device 2024-02-27
11724528 Sheet suction device, sheet conveyor, and printer 2023-08-15
11673755 Sheet suction device, conveyor, printer, and suction region changing device 2023-06-13
11407604 Sheet suction device, sheet conveyor, printer, and suction area switching device 2022-08-09
11279580 Suction device, conveyor, printer, and suction region changing device 2022-03-22
11220410 Sheet suction device, sheet conveying device incorporating the sheet suction device, printer incorporating the sheet conveying device, and suction area switcher 2022-01-11
10873009 Barrier layer functioned novel-structure ceramic converter materials and light emitting devices Zhengbo Yu 2020-12-22
10807367 Liquid discharge device and liquid discharge apparatus including liquid discharge device Yuichiro Maeyama 2020-10-20
10093856 Phosphor ceramic element Ekambaram Sambandan, Bin Zhang 2018-10-09
9864334 Cooling device and image forming apparatus including same Keisuke Ikeda, Tomoyasu Hirasawa, Kenichi Takehara, Hiromitsu Fujiya, Keisuke Yuasa +4 more 2018-01-09
9772585 Cooling conveyor and image forming apparatus incorporating same Kazuhiro Shimojima 2017-09-26
9567518 Phosphor compositions and methods of making the same Bin Zhang, James Chienchung Shih 2017-02-14
9563155 Cooling device and image forming apparatus incorporating the cooling device Kenji Ishii, Tohru Matsumoto, Masahiro Yamazaki, Keisuke Kubota 2017-02-07
9499740 Light extraction element Bin Zhang 2016-11-22
9483018 Cooling device and image forming apparatus including same Tomoyasu Hirasawa, Kenichi Takehara, Hiromitsu Fujiya, Keisuke Yuasa, Yasuaki Toda +6 more 2016-11-01
9465358 Cooling device and image forming apparatus including same Keisuke Ikeda, Tomoyasu Hirasawa, Kenichi Takehara, Hiromitsu Fujiya, Keisuke Yuasa +4 more 2016-10-11
9372465 Cooling device and image forming apparatus including same Keisuke Ikeda, Tomoyasu Hirasawa, Yutaka Shoji, Kenji Ishii, Takeshi Watanabe +2 more 2016-06-21
9360838 Cooling device and image forming apparatus incorporating same Satoshi Aizawa, Susumu Tateyama, Tomoyasu Hirasawa 2016-06-07
9354601 Liquid cooling device that arranges a coolant flowing direction in accordance with a temperature gradient of a cooling airflow and image forming apparatus incorporating the same Tomoyasu Hirasawa, Hiromitsu Fujiya, Keisuke Yuasa, Yasuaki Toda, Kenji Ishii +2 more 2016-05-31
9335676 Image forming apparatus Tomoyasu Hirasawa, Keisuke Ikeda, Susumu Tateyama, Kenji Ishii 2016-05-10
9217979 Cooling device and image forming apparatus including same Tomoyasu Hirasawa, Kenichi Takehara, Hiromitsu Fujiya, Keisuke Yuasa, Yasuaki Toda +6 more 2015-12-22
9206086 Method and apparatus for sintering flat ceramics Guang Pan, Hironaka Fujii, Bin Zhang, Amane Mochizuki, Toshitaka Nakamura 2015-12-08
9205571 Method and apparatus for sintering flat ceramics Guang Pan, Hironaka Fujii, Bin Zhang, Amane Mochizuki, Toshitaka Nakamura 2015-12-08